203442411323 has 2 divisors, whose sum is σ = 203442411324. Its totient is φ = 203442411322.

The previous prime is 203442411311. The next prime is 203442411379. The reversal of 203442411323 is 323114244302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203442411323 - 2⁶ = 203442411259 is a prime.

It is a super-2 number, since 2×203442411323² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203442411383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101721205661 + 101721205662.

It is an arithmetic number, because the mean of its divisors is an integer number (101721205662).

Almost surely, 2^203442411323 is an apocalyptic number.

203442411323 is a deficient number, since it is larger than the sum of its proper divisors (1).

203442411323 is an equidigital number, since it uses as much as digits as its factorization.

203442411323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203442411323 its reverse (323114244302), we get a palindrome (526556655625).

The spelling of 203442411323 in words is "two hundred three billion, four hundred forty-two million, four hundred eleven thousand, three hundred twenty-three".